THE USE OF DIVERSION, EXCAVATION, AND GROUNDWATER DILUTION TO RESTORE DELAWARE PARK LAKE, BUFFALO, NEW YORK

Autor:	Paul Erickson, Gerald F. Mikol, Jay A. Bloomfield
Rok vydání:	1986
Předmět:	Hydrology geography geography.geographical_feature_category Environmental engineering Storm Aquatic Science Inlet Algal bloom Environmental science Sanitary sewer Water quality Turbidity Eutrophication Groundwater Water Science and Technology
Zdroj:	Lake and Reservoir Management. 2:61-63
ISSN:	2151-5530 1040-2381
DOI:	10.1080/07438148609354602
Popis:	Delaware Park Lake is an 11 ha lake located in Buffalo, N.Y. The average depth of the lake in 1975 was approximately 1.0 m. The lake suffered from eutrophication and associated problems including algal blooms, fishkills, odor, high turbidity, and bacterial contamination. In 1976 a four-part project to restore the lake was proposed under the federal Clean Lakes Program. The plan included isolating the lake from its inlet and outlet and diverting the inlet stream around the lake. The second project element rerouted storm sewers that had been entering the lake. The third involved involved draining and dry excavating 100,000 m3 of bottom sediments. The final phase provided a makeup source and dilution water by way of a groundwater pumping system. Pre-restoration (April–August, 1979) water quality parameters indicated degraded conditions. Total phosphorus, chlorophyll a, and Secchi transparency averaged 120 μg/L, 19.3 μg/L and 0.6 meter, respectively. Post-restoration quality (May–August, 1984) is imp...
Databáze:	OpenAIRE
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